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<blockquote data-quote="WayneF" data-source="post: 376828" data-attributes="member: 12496">The DOF range extent needed on the moon depth is about the same as one inch at twenty feet.&nbsp; Not zero, but not a big deal.&nbsp; If concerned with centering at DOF midpoint, focus about halfway from center to edge of moon.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />However, stopping down probably does help focusing errors.&nbsp; Turning the lens focus until it stops is a bit beyond infinity.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />Use Live View, and zoom way into bigger size on LCD,&nbsp; so you can see what you are focusing on.</blockquote>

[QUOTE="WayneF, post: 376828, member: 12496"] The DOF range extent needed on the moon depth is about the same as one inch at twenty feet. Not zero, but not a big deal. If concerned with centering at DOF midpoint, focus about halfway from center to edge of moon. :) However, stopping down probably does help focusing errors. Turning the lens focus until it stops is a bit beyond infinity. :) Use Live View, and zoom way into bigger size on LCD, so you can see what you are focusing on. [/QUOTE]

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